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濞撳〒宸ユキ(y猫)
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鐗╄伅(li谩n)缍叉渚嬶細濡備綍鍦ㄥ暉鐢ㄥ姞瀵嗘妧琛撶殑鍗婂皫楂斾腑淇濊瀵嗛懓

鏅傞枔锛�2022-11-28 10:07:48渚嗘簮锛歋tephen Evanczuk

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銆€銆€鍦� Maxim Integrated 鐨� DS28C39 ECDSA 瀹夊叏椹楄瓑鍣ㄤ腑锛孋hipDNA PUF 杓稿嚭灏囩敤浣� ECDSA 鎿嶄綔鐨勭閼帮紝浠ュ強淇濊鐩搁棞鏁�(sh霉)鎿氱殑绉侀懓(鍦� 7)銆�

銆€銆€鍦� 7锛歁axim Integrated 鐨� DS28C39 ECDSA 瀹夊叏椹楄瓑鍣ㄤ娇鐢ㄧ敱鍏剁墖涓� ChipDNA PUF 闆昏矾鐢熸垚鐨勭閼般€�(鍦栫墖渚嗘簮锛歁axim Integrated)

銆€銆€鍦ㄥ暉鐢� PUF 鎶€琛撶殑 LPC55S 铏曠悊鍣ㄧ郴鍒椾腑锛孨XP 鍩轰簬鏍规摎 SRAM 闄e垪鐨勫垵濮嬮毃姗熺媭鎱�(t脿i)鐢熸垚鐨勮几鍑轰娇鐢� PUF 鎶€琛�(鍦� 8)銆�

銆€銆€鍦� 8锛氬湪 PUF 瀵︾従(xi脿n)涓�锛孨XP 鐨� LPC55S 铏曠悊鍣ㄧ郴鍒椾娇鐢� SRAM 涓殑鍟熷嫊鏁�(sh霉)鎿氱敓鎴愭暩(sh霉)瀛楁寚绱嬪拰鐩搁棞鐨勬縺娲荤⒓锛岄毃鍚庡彲灏囧叾鐢ㄤ簬鎭㈠京鏁�(sh霉)瀛楁寚绱�銆侀€茶鍔犲瘑鎴栫敓鎴愮閼�銆�(鍦栫墖渚嗘簮锛歂XP)

銆€銆€鍦ㄩ€欎簺瑷倷涓紝PUF 鐨勪娇鐢ㄥ緸娉ㄥ唺鎿嶄綔闁嬪锛岃┎鎿嶄綔鐢熸垚鍞竴鐨勬暩(sh霉)瀛楁寚绱嬪拰鐩搁棞鐨勬縺娲荤⒓锛屽湪鍩�(zh铆)琛屾柊鐨勬敞鍐婃搷浣滀箣鍓嶉€欎簺鎸囩磱鍜屾縺娲荤⒓鏈冧竴鐩存湁鏁�銆傛縺娲荤⒓瀛樺劜鍦ㄨō鍌欑殑鍙椾繚璀烽杻瀛樹腑锛岃ō鍌欏埄鐢ㄨ┎婵€娲荤⒓锛岄€氶亷鍦ㄤ笂闆绘檪浠ヤ竴鑷存柟寮忕敓鎴愮殑 SRAM 鍟熷嫊鏁�(sh霉)鎿氫締閲嶅缓鏁�(sh霉)瀛楁寚绱嬨€�

銆€銆€鏈変簡鏁�(sh霉)瀛楁寚绱�锛岄枊鐧�(f膩)浜哄摗渚垮彲浠ュ皪鑷繁鐨勫瘑閼伴€茶鍔犲瘑锛屾垨鐢熸垚瀵嗛懓銆傚湪姝ら亷绋嬩腑锛岃ō鍌欏皣杩斿洖涓€鍊嬪瘑閼扮⒓銆傞€氶亷鎻愪緵婵€娲荤⒓銆佸瘑閼扮⒓鍜岀储寮曪紝闁嬬櫦(f膩)浜哄摗鍙互浣胯ō鍌欏緸閬╃暥?sh霉)閽狀儰鍘﹁崙鈧彃妲借В瀵嗘墍闇€鐨勭閼�锛屽苟灏囧叾浜や粯绲﹀瘑纰艰粺浠跺韩銆傚瘑閼版彃妲� 0 鎻愪緵涓€绋壒娈婄殑瀵嗛懓瑙e瘑鏂规硶锛岄€氶亷鍏ч儴绺界窔灏囧瘑閼扮洿鎺ヤ氦浠樼郸铏曠悊鍣ㄧ殑 AES 纭欢鍔犲瘑寮曟搸(鍦� 9)銆�

銆€銆€LPC55S 鐨� PUF 鏁�(sh霉)瀛楃敖鍚嶅湪瀵嗛懓鍔犲瘑鍜岃В瀵嗕腑璧疯憲瀵嗛懓鍔犲瘑瀵嗛懓 (KEK) 鐨勪綔鐢�锛岃┎瀵嗛懓鍌崇当(t菕ng)涓婄敤浜庡寮峰皪闈滄厠(t脿i)鎴栧偝杓镐腑鐨勬瀵嗘暩(sh霉)鎿氱殑淇濊銆備娇鐢� KEK 鏈夊姪浜庣珐瑙d繚璀锋瀵嗘暩(sh霉)鎿氭墍闇€鐨勫皪鏇村ぇ瀹夊叏瀛樺劜鍙婄浉闂滃収閮ㄦ鍒剁殑闇€姹�銆�

銆€銆€鍦� 9锛歂XP 鐨� LPC55S 铏曠悊鍣ㄧ郴鍒椾娇鐢ㄥ叾鏁�(sh霉)瀛楁寚绱嬩綔鐐� KEK锛屽皪鍏跺瘑閼板瓨鍎插崁(q奴)涓繚璀风殑骞朵互绶ㄧ▼鏂瑰紡閫氶亷鐩搁棞鐨勬縺娲荤⒓銆佸瘑閼扮⒓鍜岀储寮曞紩鐢ㄧ殑瀵嗛懓閫茶瑙e瘑銆�(鍦栫墖渚嗘簮锛歂XP)

銆€銆€闁嬬櫦(f膩)浜哄摗鍙互浣跨敤 KEK 灏嶅畾鍒跺瘑閼板拰鐩搁棞鏁�(sh霉)鎿氶€茶鍔犲瘑锛屽苟灏囧姞瀵嗙祼鏋滃瓨鍎插湪闈炲畨鍏ㄧ殑闈炴槗澶辨€у瓨鍎插櫒涓€傞€欑ó鏂规硶浣块枊鐧�(f膩)浜哄摗鍗充娇鍦ㄥ畨鍏ㄥ瓨鍎茬┖闁撴湁闄愮殑瑷倷涓篃鑳戒繚璀峰悇绋鍨嬬殑瀵嗛懓鍜岀浉闂滄暩(sh霉)鎿�銆傛湁浜� PUF 鐢熸垚鐨� KEK锛岄枊鐧�(f膩)浜哄摗渚垮彲浠ュ鐝�(xi脿n)鑳藉鍦ㄦ暣鍊嬮枊鐧�(f膩)鍛ㄦ湡涓繚璀锋噳鐢ㄧ殑瀹夊叏鐗╄伅(li谩n)缍茶ō鍌�銆�

銆€銆€绺界祼

銆€銆€甯舵湁鍔犲瘑鍔犻€熷櫒鐨勫皥鐢ㄥ畨鍏� IC 鍜屽畨鍏ㄨ檿鐞嗗櫒鐨勫嚭鐝�(xi脿n)锛屾サ澶у湴澧炲挤浜嗛枊鐧�(f膩)浜哄摗妲嬪缓瀹夊叏绯荤当(t菕ng)鐨勮兘鍔�銆備絾鏄�锛屽畨鍏ㄧ郴绲�(t菕ng)鍤撮噸渚濊炒浜庣閼板強鍏朵粬鑸囧姞瀵嗘鍒跺拰鍗�(xi茅)璀扮浉闂滅殑鏁�(sh霉)鎿氱殑瀹夊叏鎬�銆傚畨鍏ㄨō鍌欓€氶亷閲囩敤澶氱ó涓嶅悓鐨勬鍒�锛屽彲浠ョ偤闈滄厠(t脿i)銆佸偝杓镐腑鍜屼娇鐢ㄤ腑鐨勬瀵嗘暩(sh霉)鎿氭彁渚涗繚璀�銆傚埄鐢ㄩ€欎簺瑷倷锛岄枊鐧�(f膩)浜哄摗鍙互妲嬪缓鏇村畨鍏ㄧ殑鐗╄伅(li谩n)缍茶В姹烘柟妗�锛岃€屼笉鏈冨奖闊垮叾浠栬ō瑷堣姹�銆�


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